1110111001021 has 8 divisors (see below), whose sum is σ = 1250095673088. Its totient is φ = 976637244000.

The previous prime is 1110111001009. The next prime is 1110111001063. The reversal of 1110111001021 is 1201001110111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1110111001021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110111000989 and 1110111001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110111001621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1627728400 + ... + 1627729081.

It is an arithmetic number, because the mean of its divisors is an integer number (156261959136).

Almost surely, 2^{1110111001021} is an apocalyptic number.

1110111001021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110111001021 is a deficient number, since it is larger than the sum of its proper divisors (139984672067).

1110111001021 is a wasteful number, since it uses less digits than its factorization.

1110111001021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255457523.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1110111001021 its reverse (1201001110111), we get a palindrome (2311112111132).

The spelling of 1110111001021 in words is "one trillion, one hundred ten billion, one hundred eleven million, one thousand, twenty-one".